1.Assay:99.0% 2.pH:6.0 3.Specific rotation:+28.09 4.STANDARD:USP24 5.SHELF LIFE:2Years CAS NO:72-18 ... -3(2)4(6)5(7)8/h3-4H,6H2,1-2H3,(H,7,8)Constitutional Formula: ItemLimitsTest resultsIdentificationConordant with the ... °~+28.8°+28.09°Residue on ignition≤0.10<0.1 Loss on drying ≤0.300.19Chloride≤0.05<0.05Iron ... metals≤15.0<0.15 Organic Meets the requiremnts Conforms 1-2-Amino-3-methylbutyric acid